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Seiko

Seiko Sports 100 7A48-7000 from 1984, with an analog chronograph dial, pointer date and moon-phase display

Seiko Caliber 7A48: Quartz Chronograph Movement Guide

Seiko Sports 100 7A48-7000 from 1984, with an analog chronograph dial, pointer date and moon-phase display
1980s-vintage-watches

Seiko Caliber 7A48: Quartz Chronograph Movement Guide

Factory specifications and practical moon-phase/date setting for Seiko’s 15-jewel 7A48 quartz chronograph, illustrated with three original VWS watches.

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1986 Seiko Sports 150 7A38-713A with charcoal chronograph dial, gold-tone markers and day-date display
1980s

Seiko Caliber 7A38: Quartz Chronograph Movement Guide

Explore Seiko 7A38 chronograph specs, functions and day-date controls, with original VWS 1984–1986 watch examples.

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1984 Seiko 7A38-7100 analog quartz chronograph with multiple subdials
1980s Seiko

1980s Vintage Seiko Watches: Automatics, Quartz & Design

A guide to the mechanical automatics, sophisticated quartz chronographs, SQ dress watches and electronic breakthroughs of 1980s Seiko.

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Vintage Seiko Rainbow 7009-316A from 1982 with a white dial, printed colour arc and integrated steel bracelet, VWS photograph
11A

Seiko Rainbow: Models, Dials & Identification

Learn to identify vintage Seiko Rainbow designs through two real archive models: the 1982 7009-316A rainbow arc and 1979 11-4470 mother-of-pearl dress watch.

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Seiko LM 5606-7160 Men's Vintage Dress Watch original Vintage Watch Studio front-view photograph
1980s-vintage-watches

Vintage Seiko Day-Date Discs: Kanji, Bilingual Calendars & Variations

Discover how vintage Seiko bilingual day wheels work, which languages collectors encounter and why setting differs by caliber.

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Close-up of Seiko 6138-8020 Panda dial, 1977
1970s-vintage-watches

Vintage Seiko Chronograph History: From 6139 to 7A38 & 7A48

Trace Seiko chronograph innovation from early mechanical stopwatch watches to the multi-register analog quartz era, with real archival examples.

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Close view of the silver dial on a 1985 Seiko Sports 150 7A38-7130 quartz chronograph
1980s-vintage-watches

Seiko Sports 150: Models, Features & History

Explore the 1980s Seiko Sports 150 chronographs, comparing real 7A38-7130 and 7A38-713A watches, case details, quartz functions and collecting checks.

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Close view of the silver dial on the 1986 Seiko Sports 100 7A48-5000
1980s-vintage-watches

Seiko Sports 100: Models, Features & History

Explore Seiko Sports 100 models through original 1984–1986 VWS watches, 7A48 moon-phase chronograph features, identification and buying checks.

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